C++ Program To Find Areas Of 'X' Rectangles Stored In 2D-Array & Determining Largest & Smallest Area.

This Post Contains A C++ Program To Find Areas Of 'X' Rectangles Stored In 2D-Array & Determining Largest & Smallest Area With Correct Source Code & Output. This Program Is Written, Compiled & Executed At TurboC3.0 Compiler & Will Help You To Understand The Concept Of '2D-Arrays', 'For-loop', 'If...else' & 'Nested Loops' From C++ Language. It Is A Well-Structured Program With Proper Comments Which Provides Step-By-Step Description Of Various Features Of The Language In A Simple
& Easy-To-Understand Way.

# Note : You Can Simply Copy-Paste The Following Program Or Code Into Compiler For Direct Result.


C++ Program To Find Areas Of 'X' Rectangles Stored In 2D-Array & Determining Largest & Smallest Area.


/* Header Files */
# include <iostream.h>
# include <conio.h>
# define Max 20

/* Main Program */
void main()
{
   // Initialization Of Variables
   int Num=0, i=0, j=0, k=0, a[Max][2], b[Max];
   int Large=0, Small=0;
  
   clrscr();
  
   // Accepting No. Of Rect. From User
   cout<<"\nEnter The No. Of Rectangles :  ";
   cin>>Num;
  
   // Accepting The Dimensions Of 'N' Rect. From User
   // & Storing Them In A 2D Array
   cout<<"\nEnter The Dimensions Of "<<Num<<" Rectangles i.e Length & Breadth :";
   cout<<"\n";
   for(i=0;i<Num;i++)
   {
       for(j=0;j<2;j++)
       {
   cin>>a[i][j];
       }
       cout<<"\n";
   }
  
   // Calculating The Areas Of 'N' Rect. & Storing
   // Them Into Another Array
   j=0;
   k=0;
   for(i=0; i<Num; i++)
   {
       b[k] = a[i][j] * a[i][j+1];
       k++;   // Here 'k' Act As A Counter Variable
   }
  
   // Displaying The Array Which Contains The Areas
   // Of 'N' Rect.
   cout<<"\n\nThe Areas Of "<<Num<<" Rect. Are As Follows : ";
   for(i=0; i<k; i++)
   {
       cout<<"\n\n"<<b[i];
   }
   cout<<"\n\n";
  
   // Finding The Large & Small Area From 'N' Rect.
   Large=b[0];
   Small=b[0];
   for(i=0; i<k; i++)
   {
       if(b[i] > Large)
    Large = b[i];
       if(b[i] < Small)
    Small = b[i];
   }
  
   // Displaying The Large & Small Area Of Rect.
   cout<<"\n\nLarge Area :  "<<Large;
   cout<<"\n\nSmall Area :  "<<Small;
  
getch();
}